Frazier will have his hamstring examined further Monday in Chicago while the Pirates are on their road trip against the Cubs, Rob Biertempfel of the Pittsburgh Tribune-Review reports.
More information regarding Frazier's status should be known following Monday's examination. However, the team is optimistic that he'll be able to avoid a stint on the disabled list. If Frazier is withheld from the lineup Monday, Sean Rodriguez or John Jaso will likely fill in and patrol right field.